Add disabled origin trial feature list

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index e18442ad48674c4f09dec2f69f2e1beeffbc1a2f..ed30c67e2e3ba089862ddd07ce64c03a97d1cf90 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -765,6 +765,10 @@ const char kOpenInNewWindow[]               = "new-window";
 // chrome process started. (See ProcessSingleton for more details.)
 const char kOriginalProcessStartTime[]      = "original-process-start-time";
 
+// Contains a list of experimental feature names which should not be included in
+// origin trials. Names should be separated by "|" characters.
+const char kOriginTrialDisabledFeatures[] = "origin-trial-disabled-features";
+
 // Overrides the default public key for checking origin trial tokens.
 const char kOriginTrialPublicKey[] = "origin-trial-public-key";